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/*
* TLS Client
* (C) 2004-2011 Jack Lloyd
*
* Released under the terms of the Botan license
*/
#ifndef BOTAN_TLS_CLIENT_H__
#define BOTAN_TLS_CLIENT_H__
#include <botan/tls_channel.h>
#include <botan/credentials_manager.h>
#include <vector>
namespace Botan {
namespace TLS {
/**
* SSL/TLS Client
*/
class BOTAN_DLL Client : public Channel
{
public:
/**
* Set up a new TLS client session
*
* @param socket_output_fn is called with data for the outbound socket
*
* @param proc_fn is called when new data (application or alerts) is received
*
* @param handshake_complete is called when a handshake is completed
*
* @param session_manager manages session state
*
* @param creds manages application/user credentials
*
* @param policy specifies other connection policy information
*
* @param rng a random number generator
*
* @param servername the server's DNS name, if known
*
* @param port specifies the protocol port of the server (eg for
* TCP/UDP). Only used if servername is also specified.
* Use 0 if unknown.
*
* @param next_protocol allows the client to specify what the next
* protocol will be. For more information read
* http://technotes.googlecode.com/git/nextprotoneg.html.
*
* If the function is not empty, NPN will be negotiated
* and if the server supports NPN the function will be
* called with the list of protocols the server advertised;
* the client should return the protocol it would like to use.
*/
Client(std::function<void (const byte[], size_t)> socket_output_fn,
std::function<void (const byte[], size_t, Alert)> proc_fn,
std::function<bool (const Session&)> handshake_complete,
Session_Manager& session_manager,
Credentials_Manager& creds,
const Policy& policy,
RandomNumberGenerator& rng,
const std::string& servername = "",
u16bit port = 0,
std::function<std::string (std::vector<std::string>)> next_protocol =
std::function<std::string (std::vector<std::string>)>());
void renegotiate(bool force_full_renegotiation = false) override;
private:
void initiate_handshake(bool force_full_renegotiation,
Protocol_Version version,
const std::string& srp_identifier = "",
std::function<std::string (std::vector<std::string>)> next_protocol =
std::function<std::string (std::vector<std::string>)>());
void process_handshake_msg(Handshake_Type type,
const std::vector<byte>& contents) override;
void alert_notify(const Alert& alert) override;
class Handshake_State* new_handshake_state() override;
const Policy& m_policy;
RandomNumberGenerator& m_rng;
Credentials_Manager& m_creds;
const std::string m_hostname;
const u16bit m_port;
};
}
}
#endif
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